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Title: Surface texturing of superconductors by controlled oxygen pressure

Abstract

A method of manufacture of a textured layer of a high temperature superconductor on a substrate is disclosed. The method involves providing an untextured high temperature superconductor material having a characteristic ambient pressure peritectic melting point, heating the superconductor to a temperature below the peritectic temperature, establishing a reduced pO{sub 2} atmosphere below ambient pressure causing reduction of the peritectic melting point to a reduced temperature which causes melting from an exposed surface of the superconductor and raising pressure of the reduced pO{sub 2} atmosphere to cause solidification of the molten superconductor in a textured surface layer. 8 figs.

Inventors:
; ;
Issue Date:
Research Org.:
Univ. of Chicago, IL (United States)
Sponsoring Org.:
USDOE, Washington, DC (United States)
OSTI Identifier:
321316
Patent Number(s):
5,856,277
Application Number:
PAN: 8-657,415
Assignee:
Illinois Superconductor Corp., Mt Prospect, IL (United States)
DOE Contract Number:  
W-31109-ENG-38
Resource Type:
Patent
Resource Relation:
Other Information: PBD: 5 Jan 1999
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; SURFACE FINISHING; HIGH-TC SUPERCONDUCTORS; CONTROLLED ATMOSPHERES; MELTING; SOLIDIFICATION; TEXTURE

Citation Formats

Chen, N, Goretta, K C, and Dorris, S E. Surface texturing of superconductors by controlled oxygen pressure. United States: N. p., 1999. Web.
Chen, N, Goretta, K C, & Dorris, S E. Surface texturing of superconductors by controlled oxygen pressure. United States.
Chen, N, Goretta, K C, and Dorris, S E. Tue . "Surface texturing of superconductors by controlled oxygen pressure". United States.
@article{osti_321316,
title = {Surface texturing of superconductors by controlled oxygen pressure},
author = {Chen, N and Goretta, K C and Dorris, S E},
abstractNote = {A method of manufacture of a textured layer of a high temperature superconductor on a substrate is disclosed. The method involves providing an untextured high temperature superconductor material having a characteristic ambient pressure peritectic melting point, heating the superconductor to a temperature below the peritectic temperature, establishing a reduced pO{sub 2} atmosphere below ambient pressure causing reduction of the peritectic melting point to a reduced temperature which causes melting from an exposed surface of the superconductor and raising pressure of the reduced pO{sub 2} atmosphere to cause solidification of the molten superconductor in a textured surface layer. 8 figs.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1999},
month = {1}
}